java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:55:29,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:55:29,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:55:29,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:55:29,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:55:29,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:55:29,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:55:29,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:55:29,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:55:29,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:55:29,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:55:29,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:55:29,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:55:29,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:55:29,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:55:29,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:55:29,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:55:29,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:55:29,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:55:29,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:55:29,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:55:29,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:55:29,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:55:29,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:55:29,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:55:29,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:55:29,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:55:29,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:55:29,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:55:29,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:55:29,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:55:29,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:55:29,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:55:29,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:55:29,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:55:29,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:55:29,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:55:29,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:55:29,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:55:29,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:55:29,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:55:29,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:55:29,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:55:29,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:55:29,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:55:29,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:55:29,880 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:55:29,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:55:29,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:55:29,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:55:29,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:55:29,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:55:29,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:55:29,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:55:29,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:55:29,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:55:29,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:55:29,882 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:55:29,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:55:29,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:55:29,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:55:29,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:55:29,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:55:29,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:55:29,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:55:29,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:55:29,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:55:29,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:55:29,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:55:29,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:55:29,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:55:29,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:55:29,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:55:29,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:55:29,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:55:29,951 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:55:29,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2019-09-20 15:55:30,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87e2bf95/471f4823fdc54db89458bc1370478c38/FLAGcea31c2bd [2019-09-20 15:55:30,659 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:55:30,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2019-09-20 15:55:30,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87e2bf95/471f4823fdc54db89458bc1370478c38/FLAGcea31c2bd [2019-09-20 15:55:30,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87e2bf95/471f4823fdc54db89458bc1370478c38 [2019-09-20 15:55:30,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:55:30,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:55:30,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:55:30,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:55:30,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:55:30,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:55:30" (1/1) ... [2019-09-20 15:55:30,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd9bbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:30, skipping insertion in model container [2019-09-20 15:55:30,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:55:30" (1/1) ... [2019-09-20 15:55:30,875 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:55:30,927 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:55:31,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:55:31,338 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:55:31,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:55:31,532 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:55:31,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31 WrapperNode [2019-09-20 15:55:31,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:55:31,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:55:31,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:55:31,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:55:31,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31" (1/1) ... [2019-09-20 15:55:31,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31" (1/1) ... [2019-09-20 15:55:31,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31" (1/1) ... [2019-09-20 15:55:31,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31" (1/1) ... [2019-09-20 15:55:31,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31" (1/1) ... [2019-09-20 15:55:31,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31" (1/1) ... [2019-09-20 15:55:31,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31" (1/1) ... [2019-09-20 15:55:31,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:55:31,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:55:31,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:55:31,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:55:31,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:55:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:55:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:55:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:55:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:55:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:55:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:55:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:55:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:55:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:55:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:55:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:55:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:55:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:55:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:55:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:55:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:55:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:55:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:55:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:55:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:55:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:55:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:55:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:55:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:55:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:55:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:55:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:55:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:55:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:55:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:55:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:55:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:55:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:55:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:55:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:55:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:55:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:55:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:55:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:55:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:55:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:55:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:55:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:55:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:55:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:55:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:55:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:55:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:55:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:55:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:55:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:55:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:55:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:55:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:55:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:55:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:55:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:55:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:55:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:55:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:55:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:55:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:55:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:55:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:55:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:55:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:55:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:55:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:55:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:55:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:55:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:55:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:55:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:55:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:55:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:55:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:55:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:55:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:55:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:55:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:55:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:55:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:55:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:55:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:55:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:55:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:55:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:55:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:55:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:55:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:55:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:55:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:55:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:55:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:55:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:55:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:55:33,637 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:55:33,637 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:55:33,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:55:33 BoogieIcfgContainer [2019-09-20 15:55:33,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:55:33,639 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:55:33,640 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:55:33,640 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:55:33,641 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:55:33" (1/1) ... [2019-09-20 15:55:33,642 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:55:33,680 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:55:33,681 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:55:33,698 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:55:33,711 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:55:33,713 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:55:43,860 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:55:45,526 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:55:45,715 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:45,864 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:45,989 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:46,015 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:55:46,082 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:55:46,099 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:55:46,283 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:55:46,424 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:55:46,882 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:47,173 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:47,474 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:47,743 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:47,941 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:48,163 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:48,349 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:48,560 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:48,952 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:49,297 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:50,136 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:55:50,761 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:55:51,119 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:51,457 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:52,071 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:55:52,594 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:52,722 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:52,827 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:53,413 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:53,703 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:54,360 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:55:54,939 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-20 15:55:55,389 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:55,693 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:55:56,277 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:55:56,413 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 36 for LOIs [2019-09-20 15:55:56,493 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:55:56,508 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2019-09-20 15:55:56,513 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 41 for LOIs [2019-09-20 15:55:56,520 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:55:56,521 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:55:56,525 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 521#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:55:56,540 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:55:56,540 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:55:56,543 INFO L168 Benchmark]: Toolchain (without parser) took 25682.39 ms. Allocated memory was 131.1 MB in the beginning and 826.3 MB in the end (delta: 695.2 MB). Free memory was 84.4 MB in the beginning and 413.5 MB in the end (delta: -329.1 MB). Peak memory consumption was 366.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:56,544 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.1 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:55:56,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.16 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 84.4 MB in the beginning and 163.1 MB in the end (delta: -78.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:56,552 INFO L168 Benchmark]: Boogie Preprocessor took 111.09 ms. Allocated memory is still 199.8 MB. Free memory was 163.1 MB in the beginning and 158.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:56,553 INFO L168 Benchmark]: RCFGBuilder took 1994.24 ms. Allocated memory was 199.8 MB in the beginning and 220.2 MB in the end (delta: 20.4 MB). Free memory was 158.5 MB in the beginning and 133.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:56,556 INFO L168 Benchmark]: Sifa took 22900.87 ms. Allocated memory was 220.2 MB in the beginning and 826.3 MB in the end (delta: 606.1 MB). Free memory was 133.4 MB in the beginning and 413.5 MB in the end (delta: -280.1 MB). Peak memory consumption was 326.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:56,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 131.1 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.16 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 84.4 MB in the beginning and 163.1 MB in the end (delta: -78.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.09 ms. Allocated memory is still 199.8 MB. Free memory was 163.1 MB in the beginning and 158.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1994.24 ms. Allocated memory was 199.8 MB in the beginning and 220.2 MB in the end (delta: 20.4 MB). Free memory was 158.5 MB in the beginning and 133.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. * Sifa took 22900.87 ms. Allocated memory was 220.2 MB in the beginning and 826.3 MB in the end (delta: 606.1 MB). Free memory was 133.4 MB in the beginning and 413.5 MB in the end (delta: -280.1 MB). Peak memory consumption was 326.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 22845, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 256, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 172, TOOLS_POST_TIME[ms]: 12039, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 209, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 106, TOOLS_QUANTIFIERELIM_APPLICATIONS: 309, TOOLS_QUANTIFIERELIM_TIME[ms]: 12217, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11908, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 261, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 88, DOMAIN_JOIN_TIME[ms]: 10080, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 19, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME[ms]: 188, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 551, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 550, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 30, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12394, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12393, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 494, DAG_COMPRESSION_RETAINED_NODES: 275 - UnprovableResult [Line: 551]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 521#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...